Bracket for a ventilation fan



FIG. 1 is an isometric view of the bracket for a ventilation fan;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof taken from the back side of FIG. 1;

FIG. 4 is an end elevational view thereof taken from the right end of FIG. 1. 

The ornamental design for a bracket for a ventilation fan, substantially as shown and described. 